Due to the unfamiliarity of the surroundings, children having surgery endure worry and tension. Untreated anxiety in children impairs postoperative healing and causes changes in postoperative behavior. The purpose of this review was to determine the efficacy of distraction therapies on anxiety in children undergoing surgery. The systematic review was reported in accordance with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses standards. PubMed via MEDLINE, CINAHL, ProQuest, Web of Science, and the Cochrane Central Register of Controlled Trials were used to find relevant trials. Full-text papers published in English from January 1, 2000 to December 31, 2021 were included. Children undergoing surgery aged 1 to 18 years were included. A data extraction form was created to extract data from the selected studies. According to the Cochrane risk of bias assessment tool, studies were classified as "low risk, " "high risk, " or "unclear risk. " Review Manager software was used to do a quantitative meta-analysis. Thirteen studies looked at the effect of distraction intervention on children. Nine of them were selected for meta-analysis. The distraction interventions included in this review were: handheld video game, play dough and play with blocks and puzzles, tablet-based interactive distraction, animated video, painting and storytelling, age-appropriate video, distraction with video glasses, watching a movie, and bringing favorite toy during hospital stay. Meta-analysis showed that distraction interventions are effective on preoperative anxiety in children (standardized mean difference = -17.07, 95% confidence interval: 27.11-7.02, p = 0.0009).